package cn.edu.ctbu.secdata.intercepter;

import cn.edu.ctbu.secdata.domain.Student;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Slf4j
public class LoginInterceptor implements HandlerInterceptor {
    @Override

    public boolean preHandle(HttpServletRequest request,
                             HttpServletResponse response, Object handler) throws Exception {
        Student user = (Student) request.getSession().getAttribute("user");
        log.info(request.getRequestURI().toString());
        if (user == null ) {
            response.sendRedirect("/login/student");
            log.info("请先登录" + request.getRequestURI());
            return false;
        }
        return true;
    }
    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
                           ModelAndView modelAndView)
            throws Exception {
        log.info("postHandle...");
    }
    @Override

    public void afterCompletion(HttpServletRequest request, HttpServletResponse response,
                                Object handler, Exception ex)
            throws Exception {
        log.info("afterCompletion...");
    }
}
